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From: James S. <jsi...@us...> - 2001-09-26 23:20:19
|
Update of /cvsroot/linux-mips/linux/arch/mips/kernel
In directory usw-pr-cvs1:/tmp/cvs-serv7656
Added Files:
irq_cpu.c
Log Message:
Move irq_cpu.c to arch/mips/kernel.
--- NEW FILE: irq_cpu.c ---
/***********************************************************************
* Copyright 2001 MontaVista Software Inc.
* Author: Jun Sun, js...@mv... or js...@ju...
*
* arch/mips/ddb5xxx/common/irq_cpu.c
* This file define the irq handler for MIPS CPU interrupts.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version.
***********************************************************************
*/
/*
* Almost all MIPS CPUs define 8 interrupt sources. They are typically
* level triggered (i.e., cannot be cleared from CPU; must be cleared from
* device). The first two are software interrupts. The last one is
* usually cpu timer interrupt if coutner register is present.
*
* This file exports one global function:
* mips_cpu_irq_init(u32 irq_base);
*/
#include <linux/irq.h>
#include <linux/types.h>
#include <linux/kernel.h>
#include <asm/mipsregs.h>
/* [jsun] sooner or later we should move this debug stuff to MIPS common */
#include <asm/ddb5xxx/debug.h>
static int mips_cpu_irq_base=-1;
static void
mips_cpu_irq_enable(unsigned int irq)
{
MIPS_ASSERT(mips_cpu_irq_base != -1);
MIPS_ASSERT(irq >= mips_cpu_irq_base);
MIPS_ASSERT(irq < mips_cpu_irq_base+8);
clear_cp0_cause( 1 << (irq - mips_cpu_irq_base + 8));
set_cp0_status(1 << (irq - mips_cpu_irq_base + 8));
}
static void
mips_cpu_irq_disable(unsigned int irq)
{
MIPS_ASSERT(mips_cpu_irq_base != -1);
MIPS_ASSERT(irq >= mips_cpu_irq_base);
MIPS_ASSERT(irq < mips_cpu_irq_base+8);
clear_cp0_status(1 << (irq - mips_cpu_irq_base + 8));
}
static unsigned int mips_cpu_irq_startup(unsigned int irq)
{
mips_cpu_irq_enable(irq);
return 0;
}
#define mips_cpu_irq_shutdown mips_cpu_irq_disable
static void
mips_cpu_irq_ack(unsigned int irq)
{
MIPS_ASSERT(mips_cpu_irq_base != -1);
MIPS_ASSERT(irq >= mips_cpu_irq_base);
MIPS_ASSERT(irq < mips_cpu_irq_base+8);
/* although we attemp to clear the IP bit in cause reigster, I think
* usually it is cleared by device (irq source)
*/
clear_cp0_cause( 1 << (irq - mips_cpu_irq_base + 8));
/* I am not fully convinced that I should disable irq here */
}
static void
mips_cpu_irq_end(unsigned int irq)
{
MIPS_ASSERT(mips_cpu_irq_base != -1);
MIPS_ASSERT(irq >= mips_cpu_irq_base);
MIPS_ASSERT(irq < mips_cpu_irq_base+8);
/* I am not fully convinced that I should enable irq here */
}
static hw_irq_controller mips_cpu_irq_controller = {
"CPU_irq",
mips_cpu_irq_startup,
mips_cpu_irq_shutdown,
mips_cpu_irq_enable,
mips_cpu_irq_disable,
mips_cpu_irq_ack,
mips_cpu_irq_end,
NULL /* no affinity stuff for UP */
};
void
mips_cpu_irq_init(u32 irq_base)
{
extern irq_desc_t irq_desc[];
u32 i;
for (i= irq_base; i< irq_base+8; i++) {
irq_desc[i].status = IRQ_DISABLED;
irq_desc[i].action = NULL;
irq_desc[i].depth = 1;
irq_desc[i].handler = &mips_cpu_irq_controller;
}
mips_cpu_irq_base = irq_base;
}
|
|
From: James S. <jsi...@us...> - 2001-09-26 23:19:55
|
Update of /cvsroot/linux-mips/linux/arch/mips/kernel In directory usw-pr-cvs1:/tmp/cvs-serv7450 Modified Files: Makefile Log Message: Move irq_cpu.c to arch/mips/kernel. Index: Makefile =================================================================== RCS file: /cvsroot/linux-mips/linux/arch/mips/kernel/Makefile,v retrieving revision 1.6 retrieving revision 1.7 diff -u -d -r1.6 -r1.7 --- Makefile 2001/07/30 17:33:32 1.6 +++ Makefile 2001/09/26 23:19:53 1.7 @@ -41,6 +41,7 @@ obj-$(CONFIG_NEW_IRQ) += irq.o obj-$(CONFIG_ROTTEN_IRQ) += old-irq.o obj-$(CONFIG_I8259) += i8259.o +obj-$(CONFIG_IRQ_CPU) += irq_cpu.o # transition from old time.c to new time.c # some boards uses old-time.c, some use time.c, and some use their own ones |
|
From: James S. <jsi...@us...> - 2001-09-26 23:17:26
|
Update of /cvsroot/linux-mips/linux/arch/mips/ddb5xxx/common In directory usw-pr-cvs1:/tmp/cvs-serv6594 Removed Files: irq_cpu.c Log Message: Move irq_cpu.c to arch/mips/kernel. --- irq_cpu.c DELETED --- |
|
From: James S. <jsi...@us...> - 2001-09-26 23:16:32
|
Update of /cvsroot/linux-mips/linux/arch/mips/ddb5xxx/common In directory usw-pr-cvs1:/tmp/cvs-serv6228 Modified Files: Makefile Log Message: Move irq_cpu.c to arch/mips/kernel. Index: Makefile =================================================================== RCS file: /cvsroot/linux-mips/linux/arch/mips/ddb5xxx/common/Makefile,v retrieving revision 1.3 retrieving revision 1.4 diff -u -d -r1.3 -r1.4 --- Makefile 2001/09/26 17:09:46 1.3 +++ Makefile 2001/09/26 23:16:28 1.4 @@ -13,6 +13,6 @@ O_TARGET:= ddb5xxx.o -obj-y += irq.o irq_cpu.o nile4.o prom.o rtc_ds1386.o +obj-y += irq.o nile4.o prom.o rtc_ds1386.o include $(TOPDIR)/Rules.make |
|
From: James S. <jsi...@us...> - 2001-09-26 23:15:09
|
Update of /cvsroot/linux-mips/linux/arch/mips/configs In directory usw-pr-cvs1:/tmp/cvs-serv5755 Modified Files: defconfig-ddb5477 Log Message: Move irq_cpu.c to arch/mips/kernel. Index: defconfig-ddb5477 =================================================================== RCS file: /cvsroot/linux-mips/linux/arch/mips/configs/defconfig-ddb5477,v retrieving revision 1.6 retrieving revision 1.7 diff -u -d -r1.6 -r1.7 --- defconfig-ddb5477 2001/09/26 17:17:01 1.6 +++ defconfig-ddb5477 2001/09/26 23:15:06 1.7 @@ -41,12 +41,13 @@ # CONFIG_RWSEM_XCHGADD_ALGORITHM is not set # CONFIG_MCA is not set # CONFIG_SBUS is not set -CONFIG_CPU_LITTLE_ENDIAN=y CONFIG_PCI=y CONFIG_NEW_TIME_C=y CONFIG_NEW_IRQ=y +CONFIG_IRQ_CPU=y CONFIG_NEW_PCI=y CONFIG_PCI_AUTO=y +CONFIG_DUMMY_KEYB=y # CONFIG_ISA is not set # CONFIG_EISA is not set # CONFIG_I8259 is not set |
|
From: James S. <jsi...@us...> - 2001-09-26 23:13:02
|
Update of /cvsroot/linux-mips/linux/arch/mips
In directory usw-pr-cvs1:/tmp/cvs-serv4991
Modified Files:
config.in
Log Message:
Move irq_cpu.c to arch/mips/kernel.
Index: config.in
===================================================================
RCS file: /cvsroot/linux-mips/linux/arch/mips/config.in,v
retrieving revision 1.24
retrieving revision 1.25
diff -u -d -r1.24 -r1.25
--- config.in 2001/09/25 19:57:07 1.24
+++ config.in 2001/09/26 23:12:58 1.25
@@ -173,10 +173,13 @@
define_bool CONFIG_NEW_TIME_C y
fi
if [ "$CONFIG_DDB5477" = "y" ]; then
- define_bool CONFIG_CPU_LITTLE_ENDIAN y
define_bool CONFIG_PCI y
define_bool CONFIG_NEW_TIME_C y
define_bool CONFIG_NEW_IRQ y
+ define_bool CONFIG_IRQ_CPU y
+ define_bool CONFIG_NEW_PCI y
+ define_bool CONFIG_PCI_AUTO y
+ define_bool CONFIG_DUMMY_KEYB y
fi
if [ "$CONFIG_NEC_OSPREY" = "y" ]; then
define_bool CONFIG_CPU_VR41XX y
@@ -278,8 +281,8 @@
R4300 CONFIG_CPU_R4300 \
R4x00 CONFIG_CPU_R4X00 \
R5000 CONFIG_CPU_R5000 \
- R5432 CONFIG_CPU_R5432 \
R5900 CONFIG_CPU_R5900 \
+ R5432 CONFIG_CPU_R5432 \
RM7000 CONFIG_CPU_RM7000 \
R52xx CONFIG_CPU_NEVADA \
R10000 CONFIG_CPU_R10000 \
@@ -323,7 +326,7 @@
if [ "$CONFIG_DECSTATION" = "y" -o \
"$CONFIG_DDB5074" = "y" -o \
"$CONFIG_DDB5476" = "y" -o \
- "$CONFIG_NINO" = "y" -o \
+ "$CONFIG_NINO" = "y" -o \
"$CONFIG_NEC_OSPREY" = "y" -o \
"$CONFIG_NEC_KORVA" = "y" ]; then
define_bool CONFIG_CPU_LITTLE_ENDIAN y
@@ -485,13 +488,12 @@
fi
bool 'Unix98 PTY support' CONFIG_UNIX98_PTYS
if [ "$CONFIG_UNIX98_PTYS" = "y" ]; then
- int 'Maximum number of Unix98 PTYs in use (0-2048)' CONFIG_UNIX98_PTY_COUNT 256
+ int 'Maximum number of Unix98 PTYs in use (0-2048)' CONFIG_UNIX98_PTY_COUNT 25
fi
# if [ "$CONFIG_ACCESSBUS" = "y" ]; then
# bool 'MAXINE Access.Bus mouse (VSXXX-BB/GB) support' CONFIG_DTOP_MOUSE
# fi
bool 'Enhanced Real Time Clock Support' CONFIG_RTC
-
endmenu
fi
@@ -500,7 +502,7 @@
comment 'SGI Character devices'
bool 'Virtual terminal' CONFIG_VT
if [ "$CONFIG_VT" = "y" ]; then
- bool 'Support for console on virtual terminal' CONFIG_VT_CONSOLE
+ bool 'Support for console on virtual terminal' CONFIG_VT_CONSOLE
tristate 'SGI Newport Console support' CONFIG_SGI_NEWPORT_CONSOLE
if [ "$CONFIG_SGI_NEWPORT_CONSOLE" != "y" ]; then
define_bool CONFIG_DUMMY_CONSOLE y
|
|
From: James S. <jsi...@us...> - 2001-09-26 20:16:07
|
Update of /cvsroot/linux-mips/linux/arch/mips/cobalt
In directory usw-pr-cvs1:/tmp/cvs-serv11613
Modified Files:
setup.c
Log Message:
Updates to handle time pointer.
Index: setup.c
===================================================================
RCS file: /cvsroot/linux-mips/linux/arch/mips/cobalt/setup.c,v
retrieving revision 1.4
retrieving revision 1.5
diff -u -d -r1.4 -r1.5
--- setup.c 2001/09/04 20:28:13 1.4
+++ setup.c 2001/09/26 20:16:04 1.5
@@ -86,7 +86,7 @@
VIA_PORT_WRITE(0xa1, 0x00);
}
-void (*board_time_init)(struct irqaction *irq);
+extern void (*board_time_init)(struct irqaction *irq);
#define GALILEO_T0_VAL 0xb4000850
#define GALILEO_TIMER_CTRL 0xb4000864
|
|
From: James S. <jsi...@us...> - 2001-09-26 17:17:03
|
Update of /cvsroot/linux-mips/linux/arch/mips/configs In directory usw-pr-cvs1:/tmp/cvs-serv3011 Modified Files: defconfig-ddb5477 Log Message: Remove DDB5xxx pci code and use the common shared MIPS PCI code. Index: defconfig-ddb5477 =================================================================== RCS file: /cvsroot/linux-mips/linux/arch/mips/configs/defconfig-ddb5477,v retrieving revision 1.5 retrieving revision 1.6 diff -u -d -r1.5 -r1.6 --- defconfig-ddb5477 2001/09/15 17:06:10 1.5 +++ defconfig-ddb5477 2001/09/26 17:17:01 1.6 @@ -45,6 +45,8 @@ CONFIG_PCI=y CONFIG_NEW_TIME_C=y CONFIG_NEW_IRQ=y +CONFIG_NEW_PCI=y +CONFIG_PCI_AUTO=y # CONFIG_ISA is not set # CONFIG_EISA is not set # CONFIG_I8259 is not set |
|
From: James S. <jsi...@us...> - 2001-09-26 17:12:40
|
Update of /cvsroot/linux-mips/linux/arch/mips/ddb5xxx/ddb5477
In directory usw-pr-cvs1:/tmp/cvs-serv1799/arch/mips/ddb5xxx/ddb5477
Modified Files:
pci.c
Log Message:
Remove DDB5xxx pci code and use the common shared MIPS PCI code.
Index: pci.c
===================================================================
RCS file: /cvsroot/linux-mips/linux/arch/mips/ddb5xxx/ddb5477/pci.c,v
retrieving revision 1.2
retrieving revision 1.3
diff -u -d -r1.2 -r1.3
--- pci.c 2001/08/22 18:18:13 1.2
+++ pci.c 2001/09/26 17:12:37 1.3
@@ -3,9 +3,10 @@
#include <linux/types.h>
#include <linux/pci.h>
+#include <asm/pci_channel.h>
+
#include <asm/ddb5xxx/ddb5xxx.h>
#include <asm/ddb5xxx/debug.h>
-#include <asm/ddb5xxx/pci.h>
static struct resource extpci_io_resource = {
"ext pci IO space",
@@ -143,5 +144,15 @@
unsigned __init int pcibios_assign_all_busses(void)
{
+ /* we hope pci_auto has assigned the bus numbers to all buses */
return 1;
}
+
+void __init pcibios_fixup_resources(struct pci_dev *dev)
+{
+}
+
+void __init pcibios_fixup(void)
+{
+}
+
|
|
From: James S. <jsi...@us...> - 2001-09-26 17:11:38
|
Update of /cvsroot/linux-mips/linux/include/asm-mips/ddb5xxx In directory usw-pr-cvs1:/tmp/cvs-serv1538 Removed Files: pci.h Log Message: bye bye. --- pci.h DELETED --- |
|
From: James S. <jsi...@us...> - 2001-09-26 17:09:49
|
Update of /cvsroot/linux-mips/linux/arch/mips/ddb5xxx/common In directory usw-pr-cvs1:/tmp/cvs-serv989 Modified Files: Makefile prom.c Removed Files: pci.c pci_auto.c Log Message: Bye bye. Index: Makefile =================================================================== RCS file: /cvsroot/linux-mips/linux/arch/mips/ddb5xxx/common/Makefile,v retrieving revision 1.2 retrieving revision 1.3 diff -u -d -r1.2 -r1.3 --- Makefile 2001/08/23 04:20:15 1.2 +++ Makefile 2001/09/26 17:09:46 1.3 @@ -13,6 +13,6 @@ O_TARGET:= ddb5xxx.o -obj-y += irq.o irq_cpu.o nile4.o prom.o pci.o pci_auto.o rtc_ds1386.o +obj-y += irq.o irq_cpu.o nile4.o prom.o rtc_ds1386.o include $(TOPDIR)/Rules.make Index: prom.c =================================================================== RCS file: /cvsroot/linux-mips/linux/arch/mips/ddb5xxx/common/prom.c,v retrieving revision 1.1.1.1 retrieving revision 1.2 diff -u -d -r1.1.1.1 -r1.2 --- prom.c 2001/06/22 02:29:31 1.1.1.1 +++ prom.c 2001/09/26 17:09:46 1.2 @@ -40,6 +40,9 @@ strcat(arcs_cmdline, " "); } + /* by default all these boards use dhcp/nfs root fs */ + strcat(arcs_cmdline, "ip=bootp"); + mips_machgroup = MACH_GROUP_NEC_DDB; #if defined(CONFIG_DDB5074) --- pci.c DELETED --- --- pci_auto.c DELETED --- |
|
From: James S. <jsi...@us...> - 2001-09-26 16:54:02
|
Update of /cvsroot/linux-mips/linux/include/asm-mips64
In directory usw-pr-cvs1:/tmp/cvs-serv28208
Modified Files:
uaccess.h
Log Message:
Attempt at fixing register corruption.
Index: uaccess.h
===================================================================
RCS file: /cvsroot/linux-mips/linux/include/asm-mips64/uaccess.h,v
retrieving revision 1.3
retrieving revision 1.4
diff -u -d -r1.3 -r1.4
--- uaccess.h 2001/09/04 16:17:22 1.3
+++ uaccess.h 2001/09/26 16:53:59 1.4
@@ -221,105 +221,93 @@
#define __copy_to_user(to,from,n) \
({ \
- void *__cu_to; \
- const void *__cu_from; \
- long __cu_len; \
+ register void *__cu_to __asm__ ("$4"); \
+ register const void *__cu_from __asm__ ("$5"); \
+ register long __cu_len __asm__ ("$6"); \
\
__cu_to = (to); \
__cu_from = (from); \
__cu_len = (n); \
__asm__ __volatile__( \
- "move\t$4, %1\n\t" \
- "move\t$5, %2\n\t" \
- "move\t$6, %3\n\t" \
__MODULE_JAL(__copy_user) \
- "move\t%0, $6" \
- : "=r" (__cu_len) \
- : "r" (__cu_to), "r" (__cu_from), "r" (__cu_len) \
- : "$4", "$5", "$6", "$8", "$9", "$10", "$11", "$12", \
- "$15", "$24", "$31","memory"); \
+ : "+r" (__cu_to), "+r" (__cu_from), "+r" (__cu_len) \
+ : \
+ : "$8", "$9", "$10", "$11", "$12", "$15", "$24", "$31", \
+ "memory"); \
__cu_len; \
})
#define __copy_from_user(to,from,n) \
({ \
- void *__cu_to; \
- const void *__cu_from; \
- long __cu_len; \
+ register void *__cu_to __asm__ ("$4"); \
+ register const void *__cu_from __asm__ ("$5"); \
+ register long __cu_len __asm__ ("$6"); \
\
__cu_to = (to); \
__cu_from = (from); \
__cu_len = (n); \
__asm__ __volatile__( \
- "move\t$4, %1\n\t" \
- "move\t$5, %2\n\t" \
- "move\t$6, %3\n\t" \
".set\tnoreorder\n\t" \
__MODULE_JAL(__copy_user) \
".set\tnoat\n\t" \
- "daddu\t$1, %2, %3\n\t" \
+ "daddu\t$1, %1, %2\n\t" \
".set\tat\n\t" \
".set\treorder\n\t" \
"move\t%0, $6" \
- : "=r" (__cu_len) \
- : "r" (__cu_to), "r" (__cu_from), "r" (__cu_len) \
- : "$4", "$5", "$6", "$8", "$9", "$10", "$11", "$12", \
- "$15", "$24", "$31","memory"); \
+ : "+r" (__cu_to), "+r" (__cu_from), "+r" (__cu_len) \
+ : \
+ : "$8", "$9", "$10", "$11", "$12", "$15", "$24", "$31", \
+ "memory"); \
__cu_len; \
})
#define copy_to_user(to,from,n) \
({ \
- void *__cu_to; \
- const void *__cu_from; \
- long __cu_len; \
+ register void *__cu_to __asm__ ("$4"); \
+ register const void *__cu_from __asm__ ("$5"); \
+ register long __cu_len __asm__ ("$6"); \
\
__cu_to = (to); \
__cu_from = (from); \
__cu_len = (n); \
if (access_ok(VERIFY_WRITE, __cu_to, __cu_len)) \
__asm__ __volatile__( \
- "move\t$4, %1\n\t" \
- "move\t$5, %2\n\t" \
- "move\t$6, %3\n\t" \
__MODULE_JAL(__copy_user) \
- "move\t%0, $6" \
- : "=r" (__cu_len) \
- : "r" (__cu_to), "r" (__cu_from), "r" (__cu_len) \
- : "$4", "$5", "$6", "$8", "$9", "$10", "$11", \
- "$12", "$15", "$24", "$31","memory"); \
+ : "+r" (__cu_to), "+r" (__cu_from), \
+ "+r" (__cu_len) \
+ : \
+ : "$8", "$9", "$10", "$11", "$12", "$15", \
+ "$24", "$31","memory"); \
__cu_len; \
})
#define copy_from_user(to,from,n) \
({ \
- void *__cu_to; \
- const void *__cu_from; \
- long __cu_len; \
+ register void *__cu_to __asm__ ("$4"); \
+ register const void *__cu_from __asm__ ("$5"); \
+ register long __cu_len __asm__ ("$6"); \
\
__cu_to = (to); \
__cu_from = (from); \
__cu_len = (n); \
if (access_ok(VERIFY_READ, __cu_from, __cu_len)) \
__asm__ __volatile__( \
- "move\t$4, %1\n\t" \
- "move\t$5, %2\n\t" \
- "move\t$6, %3\n\t" \
".set\tnoreorder\n\t" \
__MODULE_JAL(__copy_user) \
".set\tnoat\n\t" \
- "daddu\t$1, %2, %3\n\t" \
+ "daddu\t$1, %1, %2\n\t" \
".set\tat\n\t" \
".set\treorder\n\t" \
"move\t%0, $6" \
- : "=r" (__cu_len) \
- : "r" (__cu_to), "r" (__cu_from), "r" (__cu_len) \
- : "$4", "$5", "$6", "$8", "$9", "$10", "$11", \
- "$12", "$15", "$24", "$31","memory"); \
+ : "+r" (__cu_to), "+r" (__cu_from), \
+ "+r" (__cu_len) \
+ : \
+ : "$8", "$9", "$10", "$11", "$12", "$15", \
+ "$24", "$31","memory"); \
__cu_len; \
})
-extern inline __kernel_size_t
+static inline __kernel_size_t
__clear_user(void *addr, __kernel_size_t size)
{
__kernel_size_t res;
|
|
From: James S. <jsi...@us...> - 2001-09-26 16:53:15
|
Update of /cvsroot/linux-mips/linux/include/asm-mips
In directory usw-pr-cvs1:/tmp/cvs-serv27928
Modified Files:
uaccess.h
Log Message:
Attempt at fixing register corruption.
Index: uaccess.h
===================================================================
RCS file: /cvsroot/linux-mips/linux/include/asm-mips/uaccess.h,v
retrieving revision 1.3
retrieving revision 1.4
diff -u -d -r1.3 -r1.4
--- uaccess.h 2001/07/20 17:50:22 1.3
+++ uaccess.h 2001/09/26 16:53:12 1.4
@@ -56,7 +56,7 @@
#define access_ok(type,addr,size) \
__access_ok(((unsigned long)(addr)),(size),__access_mask)
-extern inline int verify_area(int type, const void * addr, unsigned long size)
+static inline int verify_area(int type, const void * addr, unsigned long size)
{
return access_ok(type,addr,size) ? 0 : -EFAULT;
}
@@ -270,102 +270,84 @@
extern size_t __copy_user(void *__to, const void *__from, size_t __n);
#define __copy_to_user(to,from,n) ({ \
- void *__cu_to; \
- const void *__cu_from; \
- long __cu_len; \
+ register void *__cu_to __asm__ ("$4"); \
+ register const void *__cu_from __asm__ ("$5"); \
+ register long __cu_len __asm__ ("$6"); \
\
__cu_to = (to); \
__cu_from = (from); \
__cu_len = (n); \
__asm__ __volatile__( \
- "move\t$4, %1\n\t" \
- "move\t$5, %2\n\t" \
- "move\t$6, %3\n\t" \
__MODULE_JAL(__copy_user) \
- "move\t%0, $6" \
- : "=r" (__cu_len) \
- : "r" (__cu_to), "r" (__cu_from), "r" (__cu_len) \
- : "$4", "$5", "$6", "$8", "$9", "$10", "$11", "$12", "$15", \
- "$24", "$31","memory"); \
+ : "+r" (__cu_to), "+r" (__cu_from), "+r" (__cu_len) \
+ : \
+ : "$8", "$9", "$10", "$11", "$12", "$15", "$24", "$31","memory"); \
__cu_len; \
})
#define __copy_from_user(to,from,n) ({ \
- void *__cu_to; \
- const void *__cu_from; \
- long __cu_len; \
+ register void *__cu_to __asm__ ("$4"); \
+ register const void *__cu_from __asm__ ("$5"); \
+ register long __cu_len __asm__ ("$6"); \
\
__cu_to = (to); \
__cu_from = (from); \
__cu_len = (n); \
__asm__ __volatile__( \
- "move\t$4, %1\n\t" \
- "move\t$5, %2\n\t" \
- "move\t$6, %3\n\t" \
".set\tnoreorder\n\t" \
__MODULE_JAL(__copy_user) \
".set\tnoat\n\t" \
- "addu\t$1, %2, %3\n\t" \
+ "addu\t$1, %1, %2\n\t" \
".set\tat\n\t" \
".set\treorder\n\t" \
- "move\t%0, $6" \
- : "=r" (__cu_len) \
- : "r" (__cu_to), "r" (__cu_from), "r" (__cu_len) \
- : "$4", "$5", "$6", "$8", "$9", "$10", "$11", "$12", "$15", \
- "$24", "$31","memory"); \
+ : "+r" (__cu_to), "+r" (__cu_from), "+r" (__cu_len) \
+ : \
+ : "$8", "$9", "$10", "$11", "$12", "$15", "$24", "$31","memory"); \
__cu_len; \
})
#define copy_to_user(to,from,n) ({ \
- void *__cu_to; \
- const void *__cu_from; \
- long __cu_len; \
+ register void *__cu_to __asm__ ("$4"); \
+ register const void *__cu_from __asm__ ("$5"); \
+ register long __cu_len __asm__ ("$6"); \
\
__cu_to = (to); \
__cu_from = (from); \
__cu_len = (n); \
if (access_ok(VERIFY_WRITE, __cu_to, __cu_len)) \
__asm__ __volatile__( \
- "move\t$4, %1\n\t" \
- "move\t$5, %2\n\t" \
- "move\t$6, %3\n\t" \
__MODULE_JAL(__copy_user) \
- "move\t%0, $6" \
- : "=r" (__cu_len) \
- : "r" (__cu_to), "r" (__cu_from), "r" (__cu_len) \
- : "$4", "$5", "$6", "$8", "$9", "$10", "$11", "$12", \
- "$15", "$24", "$31","memory"); \
+ : "+r" (__cu_to), "+r" (__cu_from), "+r" (__cu_len) \
+ : \
+ : "$8", "$9", "$10", "$11", "$12", "$15", "$24", "$31", \
+ "memory"); \
__cu_len; \
})
#define copy_from_user(to,from,n) ({ \
- void *__cu_to; \
- const void *__cu_from; \
- long __cu_len; \
+ register void *__cu_to __asm__ ("$4"); \
+ register const void *__cu_from __asm__ ("$5"); \
+ register long __cu_len __asm__ ("$6"); \
\
__cu_to = (to); \
__cu_from = (from); \
__cu_len = (n); \
if (access_ok(VERIFY_READ, __cu_from, __cu_len)) \
__asm__ __volatile__( \
- "move\t$4, %1\n\t" \
- "move\t$5, %2\n\t" \
- "move\t$6, %3\n\t" \
".set\tnoreorder\n\t" \
__MODULE_JAL(__copy_user) \
".set\tnoat\n\t" \
- "addu\t$1, %2, %3\n\t" \
+ "addu\t$1, %1, %2\n\t" \
".set\tat\n\t" \
".set\treorder\n\t" \
- "move\t%0, $6" \
- : "=r" (__cu_len) \
- : "r" (__cu_to), "r" (__cu_from), "r" (__cu_len) \
- : "$4", "$5", "$6", "$8", "$9", "$10", "$11", "$12", \
- "$15", "$24", "$31","memory"); \
+ : "+r" (__cu_to), "+r" (__cu_from), "+r" (__cu_len) \
+ : \
+ : "$8", "$9", "$10", "$11", "$12", "$15", "$24", "$31", \
+ "memory"); \
__cu_len; \
})
-extern inline __kernel_size_t
+static inline __kernel_size_t
__clear_user(void *addr, __kernel_size_t size)
{
__kernel_size_t res;
@@ -394,7 +376,7 @@
* Returns: -EFAULT if exception before terminator, N if the entire
* buffer filled, else strlen.
*/
-extern inline long
+static inline long
__strncpy_from_user(char *__to, const char *__from, long __len)
{
long res;
@@ -412,7 +394,7 @@
return res;
}
-extern inline long
+static inline long
strncpy_from_user(char *__to, const char *__from, long __len)
{
long res;
@@ -431,7 +413,7 @@
}
/* Returns: 0 if bad, string length+1 (memory size) of string if ok */
-extern inline long __strlen_user(const char *s)
+static inline long __strlen_user(const char *s)
{
long res;
@@ -446,7 +428,7 @@
return res;
}
-extern inline long strlen_user(const char *s)
+static inline long strlen_user(const char *s)
{
long res;
@@ -462,7 +444,7 @@
}
/* Returns: 0 if bad, string length+1 (memory size) of string if ok */
-extern inline long __strnlen_user(const char *s, long n)
+static inline long __strnlen_user(const char *s, long n)
{
long res;
@@ -478,7 +460,7 @@
return res;
}
-extern inline long strnlen_user(const char *s, long n)
+static inline long strnlen_user(const char *s, long n)
{
long res;
|
|
From: James S. <jsi...@us...> - 2001-09-26 16:51:47
|
Update of /cvsroot/linux-mips/linux/arch/mips/kernel
In directory usw-pr-cvs1:/tmp/cvs-serv27420
Modified Files:
traps.c
Log Message:
Implement stack traces for <SysRq>-T.
Index: traps.c
===================================================================
RCS file: /cvsroot/linux-mips/linux/arch/mips/kernel/traps.c,v
retrieving revision 1.15
retrieving revision 1.16
diff -u -d -r1.15 -r1.16
--- traps.c 2001/09/13 16:58:30 1.15
+++ traps.c 2001/09/26 16:51:45 1.16
@@ -128,6 +128,7 @@
void show_trace(unsigned int *sp)
{
int i;
+ int column = 0;
unsigned int *stack;
unsigned long kernel_start, kernel_end;
unsigned long module_start, module_end;
@@ -141,7 +142,7 @@
module_start = VMALLOC_START;
module_end = module_start + MODULE_RANGE;
- printk("\nCall Trace:");
+ printk("Call Trace:");
while ((unsigned long) stack & (PAGE_SIZE -1)) {
unsigned long addr;
@@ -164,12 +165,23 @@
(addr >= module_start && addr < module_end)) {
printk(" [<%08lx>]", addr);
+ if (column++ == 5) {
+ printk("\n");
+ column = 0;
+ }
if (++i > 40) {
printk(" ...");
break;
}
}
}
+ if (column != 0)
+ printk("\n");
+}
+
+void show_trace_task(struct task_struct *tsk)
+{
+ show_trace(tsk->thread.reg29);
}
void show_code(unsigned int *pc)
|
|
From: James S. <jsi...@us...> - 2001-09-26 16:50:35
|
Update of /cvsroot/linux-mips/linux/kernel In directory usw-pr-cvs1:/tmp/cvs-serv27107 Added Files: sched.c Log Message: Implement stack traces for <SysRq>-T. --- NEW FILE: sched.c --- /* * linux/kernel/sched.c * * Kernel scheduler and related syscalls * * Copyright (C) 1991, 1992 Linus Torvalds * * 1996-12-23 Modified by Dave Grothe to fix bugs in semaphores and * make semaphores SMP safe * 1998-11-19 Implemented schedule_timeout() and related stuff * by Andrea Arcangeli * 1998-12-28 Implemented better SMP scheduling by Ingo Molnar */ /* * 'sched.c' is the main kernel file. It contains scheduling primitives * (sleep_on, wakeup, schedule etc) as well as a number of simple system * call functions (type getpid()), which just extract a field from * current-task [...1255 lines suppressed...] int cpu = smp_processor_id(); int nr; init_task.processor = cpu; for(nr = 0; nr < PIDHASH_SZ; nr++) pidhash[nr] = NULL; init_timervecs(); init_bh(TIMER_BH, timer_bh); init_bh(TQUEUE_BH, tqueue_bh); init_bh(IMMEDIATE_BH, immediate_bh); /* * The boot idle thread does lazy MMU switching as well: */ atomic_inc(&init_mm.mm_count); enter_lazy_tlb(&init_mm, current, cpu); } |
|
From: James S. <jsi...@us...> - 2001-09-26 16:48:24
|
Update of /cvsroot/linux-mips/linux/include/asm-mips64 In directory usw-pr-cvs1:/tmp/cvs-serv26605 Modified Files: softirq.h Log Message: Remove unneeded memory clobber. Index: softirq.h =================================================================== RCS file: /cvsroot/linux-mips/linux/include/asm-mips64/softirq.h,v retrieving revision 1.2 retrieving revision 1.3 diff -u -d -r1.2 -r1.3 --- softirq.h 2001/08/22 18:18:14 1.2 +++ softirq.h 2001/09/26 16:48:21 1.3 @@ -50,8 +50,7 @@ "sc\t%0, %1\n\t" "beqz\t%0, 1b" : "=&r" (temp), "=m" (*m) - : "ir" (1UL << nr), "m" (*m) - : "memory"); + : "ir" (1UL << nr), "m" (*m)); } #endif /* _ASM_SOFTIRQ_H */ |
|
From: James S. <jsi...@us...> - 2001-09-26 16:46:50
|
Update of /cvsroot/linux-mips/linux/drivers/net
In directory usw-pr-cvs1:/tmp/cvs-serv26325
Modified Files:
Config.in
Log Message:
Cleanup with tabs. Makes diff easier to read.
Index: Config.in
===================================================================
RCS file: /cvsroot/linux-mips/linux/drivers/net/Config.in,v
retrieving revision 1.8
retrieving revision 1.9
diff -u -d -r1.8 -r1.9
--- Config.in 2001/09/25 03:36:35 1.8
+++ Config.in 2001/09/26 16:46:45 1.9
@@ -202,12 +202,12 @@
fi
if [ "$CONFIG_DECSTATION" = "y" ]; then
bool ' DEC LANCE ethernet controller support' CONFIG_DECLANCE
- fi
- if [ "$CONFIG_BAGET_MIPS" = "y" ]; then
- tristate ' Baget AMD LANCE support' CONFIG_BAGETLANCE
- fi
+ fi
if [ "$CONFIG_NEC_KORVA" = "y" ]; then
bool ' NEC Memory-mapped onboard (Candy) Ethernet' CONFIG_NEC_CANDY
+ fi
+ if [ "$CONFIG_BAGET_MIPS" = "y" ]; then
+ tristate ' Baget AMD LANCE support' CONFIG_BAGETLANCE
fi
fi
|
|
From: Paul M. <le...@us...> - 2001-09-26 03:18:57
|
Update of /cvsroot/linux-mips/linux/arch/mips/kernel
In directory usw-pr-cvs1:/tmp/cvs-serv31603/arch/mips/kernel
Modified Files:
sysmips.c
Log Message:
Revert sysmips changes.
Index: sysmips.c
===================================================================
RCS file: /cvsroot/linux-mips/linux/arch/mips/kernel/sysmips.c,v
retrieving revision 1.7
retrieving revision 1.8
diff -u -d -r1.7 -r1.8
--- sysmips.c 2001/09/25 03:36:35 1.7
+++ sysmips.c 2001/09/26 03:18:54 1.8
@@ -50,9 +50,8 @@
asmlinkage int
sys_sysmips(int cmd, int arg1, int arg2, int arg3)
{
- int *p;
char *name;
- int tmp, len, retval, errno;
+ int tmp, len, retval;
switch(cmd) {
case SETNAME: {
@@ -75,53 +74,83 @@
}
case MIPS_ATOMIC_SET: {
+ int *ptr, val, ret, err, tmp;
+ struct siginfo info;
+
+ ptr = (int *)arg1;
+ val = (int)arg2;
+
+ /* Don't emulate unaligned accesses. */
+ if ((int)ptr & 3) {
+ info.si_signo = SIGBUS;
+ info.si_code = BUS_ADRALN;
+ goto fault;
+ }
+
+ /* A zero here saves us three instructions. */
+ err = verify_area(VERIFY_WRITE, ptr, 0);
+ if (err) {
+ info.si_signo = SIGSEGV;
+ info.si_code = SEGV_ACCERR;
+ goto fault;
+ }
+
#ifdef CONFIG_CPU_HAS_LLSC
- unsigned int tmp;
+ __asm__(".set mips2\n\t"
+ "1:\n\t"
+ "ll %0,%5\n\t"
+ ".set push\n\t"
+ ".set noreorder\n\t"
+ "beq %0,%4,3f\n\t"
+ " move %3,%4\n"
+ ".set pop\n\t"
+ "2:\n\t"
+ "sc %3,%1\n\t"
+ "beqz %3,1b\n\t"
+ "3:\n\t"
+ ".set mips0\n\t"
+ ".section .fixup,\"ax\"\n"
+ "4:\n\t"
+ "li %2,%7\n\t"
+ "j 3b\n\t"
+ ".previous\n\t"
+ ".section __ex_table,\"a\"\n\t"
+ ".word 1b,4b\n\t"
+ ".word 2b,4b\n\t"
+ ".previous"
+ : "=&r" (ret), "=m" (*ptr), "=r" (err), "=&r" (tmp)
+ : "r" (val), "1" (*ptr), "2" (0), "i" (-EFAULT));
+#else
+ save_and_cli(tmp);
+ err = __get_user(ret, ptr);
+ if (ret != val)
+ err |= __put_user(val, ptr); /* No fault
+ unless unwriteable. */
+ restore_flags(tmp);
+#endif
- p = (int *) arg1;
- errno = verify_area(VERIFY_WRITE, p, sizeof(*p));
- if (errno)
- return errno;
- errno = 0;
+ if (err) {
+ info.si_signo = SIGSEGV;
+ info.si_code = SEGV_MAPERR;
+ goto fault;
+ }
- __asm__(".set\tpush\t\t\t# sysmips(MIPS_ATOMIC, ...)\n\t"
- ".set\tmips2\n\t"
- ".set\tnoat\n\t"
- "1:\tll\t%0, %4\n\t"
- "move\t$1, %3\n\t"
- "2:\tsc\t$1, %1\n\t"
- "beqz\t$1, 1b\n\t"
- ".set\tpop\n\t"
- ".section\t.fixup,\"ax\"\n"
- "3:\tli\t%2, 1\t\t\t# error\n\t"
- ".previous\n\t"
- ".section\t__ex_table,\"a\"\n\t"
- ".word\t1b, 3b\n\t"
- ".word\t2b, 3b\n\t"
- ".previous\n\t"
- : "=&r" (tmp), "=o" (* (u32 *) p), "=r" (errno)
- : "r" (arg2), "o" (* (u32 *) p), "2" (errno)
- : "$1");
+ if ( (ret < 0) && (ret >= -EMAXERRNO) ) {
+ info.si_signo = SIGSYS;
+ info.si_code = 0;
+ goto fault;
+ }
- if (errno)
- return -EFAULT;
+ return ret;
- /* We're skipping error handling etc. */
- if (current->ptrace & PT_TRACESYS)
- syscall_trace();
+fault:
+ /* Go back to SYSCALL. */
+ ((struct pt_regs *)&cmd)->cp0_epc -= 4;
- ((struct pt_regs *)&cmd)->regs[2] = tmp;
- ((struct pt_regs *)&cmd)->regs[7] = 0;
+ info.si_addr = (void *)((struct pt_regs *)&cmd)->cp0_epc;
+ force_sig_info(info.si_signo, &info, current);
- __asm__ __volatile__(
- "move\t$29, %0\n\t"
- "j\to32_ret_from_sys_call"
- : /* No outputs */
- : "r" (&cmd));
- /* Unreached */
-#else
- printk("sys_sysmips(MIPS_ATOMIC_SET, ...) not ready for !CONFIG_CPU_HAS_LLSC\n");
-#endif
+ return 0;
}
case MIPS_FIXADE:
|
|
From: Jun S. <ju...@us...> - 2001-09-25 19:57:10
|
Update of /cvsroot/linux-mips/linux/arch/mips/vr4181/common
In directory usw-pr-cvs1:/tmp/cvs-serv32213/arch/mips/vr4181/common
Modified Files:
serial.c
Log Message:
Move Osprey to use standard serial driver.
Index: serial.c
===================================================================
RCS file: /cvsroot/linux-mips/linux/arch/mips/vr4181/common/serial.c,v
retrieving revision 1.1
retrieving revision 1.2
diff -u -d -r1.1 -r1.2
--- serial.c 2001/09/22 04:27:15 1.1
+++ serial.c 2001/09/25 19:57:07 1.2
@@ -1,3838 +1,51 @@
/*
- * linux/drivers/char/serial.c
- * Serial (SIU) driver for NEC VR41xx CPUs, VR4102 and up only.
+ * Copyright 2001 MontaVista Software Inc.
+ * Author: Jun Sun, js...@mv... or js...@ju...
*
- * Based almost entirely on linux/drivers/char/serial.c
- * Modified for VR41xx by Michael Klar, mf...@po...
+ * arch/mips/vr4181/common/serial.c
+ * initialize serial port on vr4181.
*
[...3837 lines suppressed...]
+ s.iomem_base = (u8*)VR4181_SIURB;
+ s.iomem_reg_shift = 0;
+ s.io_type = SERIAL_IO_MEM;
+ if (early_serial_setup(&s) != 0) {
+ panic("vr4181_init_serial() failed!\n");
}
-
- while ( !(*VR4181_SIULS & UART_LSR_DR) ) ;
- barrier();
-
- return(*VR4181_SIURB);
}
-
-
-/*
- Local variables:
- compile-command: "gcc -D__KERNEL__ -I../../include -Wall -Wstrict-prototypes -O2 -fomit-frame-pointer -fno-strict-aliasing -D__SMP__ -pipe -fno-strength-reduce -march=i686 -DMODULE -DMODVERSIONS -include ../../include/linux/modversions.h -DEXPORT_SYMTAB -c serial.c"
- End:
-*/
|
|
From: Jun S. <ju...@us...> - 2001-09-25 19:57:10
|
Update of /cvsroot/linux-mips/linux/arch/mips
In directory usw-pr-cvs1:/tmp/cvs-serv32213/arch/mips
Modified Files:
config.in
Log Message:
Move Osprey to use standard serial driver.
Index: config.in
===================================================================
RCS file: /cvsroot/linux-mips/linux/arch/mips/config.in,v
retrieving revision 1.23
retrieving revision 1.24
diff -u -d -r1.23 -r1.24
--- config.in 2001/09/22 16:35:15 1.23
+++ config.in 2001/09/25 19:57:07 1.24
@@ -183,6 +183,7 @@
define_bool CONFIG_VR4181 y
define_bool CONFIG_ISA y
define_bool CONFIG_SERIAL y
+ define_bool CONFIG_SERIAL_MANY_PORTS y
define_bool CONFIG_DUMMY_KEYB y
define_bool CONFIG_SCSI n
fi
|
|
From: Jun S. <ju...@us...> - 2001-09-25 19:57:10
|
Update of /cvsroot/linux-mips/linux/arch/mips/vr4181/osprey
In directory usw-pr-cvs1:/tmp/cvs-serv32213/arch/mips/vr4181/osprey
Modified Files:
setup.c
Log Message:
Move Osprey to use standard serial driver.
Index: setup.c
===================================================================
RCS file: /cvsroot/linux-mips/linux/arch/mips/vr4181/osprey/setup.c,v
retrieving revision 1.1
retrieving revision 1.2
diff -u -d -r1.1 -r1.2
--- setup.c 2001/09/22 04:27:15 1.1
+++ setup.c 2001/09/25 19:57:07 1.2
@@ -78,10 +78,14 @@
void platdep_setup(void) {}
#endif
+extern void vr4181_init_serial(void);
+
void __init nec_osprey_setup(void)
{
mips_io_port_base = VR4181_PORT_BASE;
isa_slot_offset = VR4181_ISAMEM_BASE;
+
+ vr4181_init_serial();
#ifdef CONFIG_BLK_DEV_IDE
ide_ops = &vr4181_ide_ops;
|
|
From: Jun S. <ju...@us...> - 2001-09-25 19:57:10
|
Update of /cvsroot/linux-mips/linux/arch/mips/vr4181 In directory usw-pr-cvs1:/tmp/cvs-serv32213/arch/mips/vr4181 Modified Files: TODO Log Message: Move Osprey to use standard serial driver. Index: TODO =================================================================== RCS file: /cvsroot/linux-mips/linux/arch/mips/vr4181/TODO,v retrieving revision 1.1 retrieving revision 1.2 diff -u -d -r1.1 -r1.2 --- TODO 2001/09/22 16:35:15 1.1 +++ TODO 2001/09/25 19:57:07 1.2 @@ -1,6 +1,12 @@ ---------------------------------------------------------------------- Osprey: +[09/25/2001] + [jsun] + DONE: Move to use the std serial.c file. We lost some power saving + features. However, that should be added later with a + cleaner way against a more updated serial driver. + [09/22/2001] Jun Sun, js...@mv... |
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From: Jun S. <ju...@us...> - 2001-09-25 19:57:10
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Update of /cvsroot/linux-mips/linux/arch/mips/configs In directory usw-pr-cvs1:/tmp/cvs-serv32213/arch/mips/configs Modified Files: defconfig-osprey Log Message: Move Osprey to use standard serial driver. Index: defconfig-osprey =================================================================== RCS file: /cvsroot/linux-mips/linux/arch/mips/configs/defconfig-osprey,v retrieving revision 1.1 retrieving revision 1.2 diff -u -d -r1.1 -r1.2 --- defconfig-osprey 2001/09/22 16:35:15 1.1 +++ defconfig-osprey 2001/09/25 19:57:07 1.2 @@ -45,6 +45,7 @@ CONFIG_VR4181=y CONFIG_ISA=y CONFIG_SERIAL=y +CONFIG_SERIAL_MANY_PORTS=y CONFIG_DUMMY_KEYB=y # CONFIG_SCSI is not set CONFIG_EISA=y |
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From: Jun S. <ju...@us...> - 2001-09-25 19:57:10
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Update of /cvsroot/linux-mips/linux/drivers/char In directory usw-pr-cvs1:/tmp/cvs-serv32213/drivers/char Modified Files: Makefile Log Message: Move Osprey to use standard serial driver. Index: Makefile =================================================================== RCS file: /cvsroot/linux-mips/linux/drivers/char/Makefile,v retrieving revision 1.8 retrieving revision 1.9 diff -u -d -r1.8 -r1.9 --- Makefile 2001/09/19 21:57:51 1.8 +++ Makefile 2001/09/25 19:57:07 1.9 @@ -129,11 +129,6 @@ SERIAL = endif -ifeq ($(CONFIG_VR4181),y) - KEYBD = - SERIAL = -endif - ifneq ($(CONFIG_SUN_SERIAL),) SERIAL = endif |
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From: Bradley D. L. <br...@us...> - 2001-09-25 03:47:11
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Update of /cvsroot/linux-mips/linux/include/asm-mips In directory usw-pr-cvs1:/tmp/cvs-serv7807/include/asm-mips Modified Files: keyboard.h Log Message: Make CONFIG_VT without CONFIG_PC_KEYB compile again. Add kbd_rate to dummy keyboard as now required. Index: keyboard.h =================================================================== RCS file: /cvsroot/linux-mips/linux/include/asm-mips/keyboard.h,v retrieving revision 1.4 retrieving revision 1.5 diff -u -d -r1.4 -r1.5 --- keyboard.h 2001/09/25 03:36:36 1.4 +++ keyboard.h 2001/09/25 03:47:07 1.5 @@ -84,6 +84,7 @@ char raw_mode); extern char kbd_unexpected_up(unsigned char keycode); extern void kbd_leds(unsigned char leds); +extern int kbd_rate(struct kbd_repeat *rep); extern void kbd_init_hw(void); extern unsigned char *kbd_sysrq_xlate; |
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